@article{MZ_1990__203_3_174150,
     author = {C. Nastasescu and F. Van Oystaeyen},
     title = {Modules {Graded} by {G-sets.}},
     journal = {Mathematische Zeitschrift},
     pages = {605--628},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {1990},
     zbl = {0721.16025},
     url = {http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174150/}
}